Personalized Funny St Patrick's Day Shamrocks and Shenanigans for All T-Shirt. Ideal for friends and family gatherings, this apparel is a great gift for anyone looking to join in on the fun. Get ready to spread some cheer and make unforgettable memories this St. Patrick's Day with our delightful "Shamrocks and Shenanigans" collection! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.